Traceback (most recent call last):
  File "v3_crawler_status.py", line 134, in <module>
    time.sleep(120)
KeyboardInterrupt

Traceback (most recent call last):
  File "v3_crawler_status.py", line 135, in <module>
    file.write(datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
KeyboardInterrupt

Traceback (most recent call last):
  File "v3_crawler_status.py", line 136, in <module>
    time.sleep(60)
KeyboardInterrupt

Traceback (most recent call last):
  File "v3_crawler_status.py", line 147, in <module>
    time.sleep(120)
KeyboardInterrupt

Traceback (most recent call last):
  File "v3_crawler_status.py", line 147, in <module>
    print("Updated at : ",datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
KeyboardInterrupt

Traceback (most recent call last):
  File "v3_crawler_status.py", line 148, in <module>
    time.sleep(120)
KeyboardInterrupt

Traceback (most recent call last):
  File "v3_crawler_status.py", line 148, in <module>
    time.sleep(120)
KeyboardInterrupt

Traceback (most recent call last):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 677, in urlopen
    chunked=chunked,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 426, in _make_request
    six.raise_from(e, None)
  File "<string>", line 3, in raise_from
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 421, in _make_request
    httplib_response = conn.getresponse()
  File "/usr/lib/python3.6/http/client.py", line 1356, in getresponse
    response.begin()
  File "/usr/lib/python3.6/http/client.py", line 307, in begin
    version, status, reason = self._read_status()
  File "/usr/lib/python3.6/http/client.py", line 268, in _read_status
    line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1")
  File "/usr/lib/python3.6/socket.py", line 586, in readinto
    return self._sock.recv_into(b)
  File "/usr/lib/python3.6/ssl.py", line 1012, in recv_into
    return self.read(nbytes, buffer)
  File "/usr/lib/python3.6/ssl.py", line 874, in read
    return self._sslobj.read(len, buffer)
  File "/usr/lib/python3.6/ssl.py", line 631, in read
    v = self._sslobj.read(len, buffer)
ConnectionResetError: [Errno 104] Connection reset by peer

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/adapters.py", line 449, in send
    timeout=timeout
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 725, in urlopen
    method, url, error=e, _pool=self, _stacktrace=sys.exc_info()[2]
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/util/retry.py", line 403, in increment
    raise six.reraise(type(error), error, _stacktrace)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/packages/six.py", line 734, in reraise
    raise value.with_traceback(tb)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 677, in urlopen
    chunked=chunked,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 426, in _make_request
    six.raise_from(e, None)
  File "<string>", line 3, in raise_from
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 421, in _make_request
    httplib_response = conn.getresponse()
  File "/usr/lib/python3.6/http/client.py", line 1356, in getresponse
    response.begin()
  File "/usr/lib/python3.6/http/client.py", line 307, in begin
    version, status, reason = self._read_status()
  File "/usr/lib/python3.6/http/client.py", line 268, in _read_status
    line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1")
  File "/usr/lib/python3.6/socket.py", line 586, in readinto
    return self._sock.recv_into(b)
  File "/usr/lib/python3.6/ssl.py", line 1012, in recv_into
    return self.read(nbytes, buffer)
  File "/usr/lib/python3.6/ssl.py", line 874, in read
    return self._sslobj.read(len, buffer)
  File "/usr/lib/python3.6/ssl.py", line 631, in read
    v = self._sslobj.read(len, buffer)
urllib3.exceptions.ProtocolError: ('Connection aborted.', ConnectionResetError(104, 'Connection reset by peer'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "v3_crawler_status.py", line 141, in <module>
    sheet=spread.open_sheet('status',create=True)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 279, in open_sheet
    self.sheet = self.find_sheet(sheet)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 569, in find_sheet
    return self._find_sheet(sheet)[1]
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 545, in _find_sheet
    for ix, worksheet in enumerate(self.sheets):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 166, in sheets
    return self.spread.worksheets()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 295, in worksheets
    sheet_data = self.fetch_sheet_metadata()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 265, in fetch_sheet_metadata
    r = self.client.request('get', url, params=params)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/util.py", line 294, in request
    return ClientV4.request(client, *args, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/client.py", line 67, in request
    headers=headers,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 543, in get
    return self.request('GET', url, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/google/auth/transport/requests.py", line 450, in request
    **kwargs
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 530, in request
    resp = self.send(prep, **send_kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 643, in send
    r = adapter.send(request, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/adapters.py", line 498, in send
    raise ConnectionError(err, request=request)
requests.exceptions.ConnectionError: ('Connection aborted.', ConnectionResetError(104, 'Connection reset by peer'))

Traceback (most recent call last):
  File "v3_crawler_status.py", line 143, in <module>
    spread.df_to_sheet(df, index=False,sheet=sheet)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 741, in df_to_sheet
    self.sheet.resize(max(sheet_rows, req_rows), max(sheet_cols, req_cols))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 1272, in resize
    return self.spreadsheet.batch_update(body)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 146, in batch_update
    'post', SPREADSHEET_BATCH_UPDATE_URL % self.id, json=body
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/util.py", line 294, in request
    return ClientV4.request(client, *args, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/client.py", line 67, in request
    headers=headers,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 578, in post
    return self.request('POST', url, data=data, json=json, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/google/auth/transport/requests.py", line 450, in request
    **kwargs
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 530, in request
    resp = self.send(prep, **send_kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 643, in send
    r = adapter.send(request, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/adapters.py", line 449, in send
    timeout=timeout
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 677, in urlopen
    chunked=chunked,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 426, in _make_request
    six.raise_from(e, None)
  File "<string>", line 3, in raise_from
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 421, in _make_request
    httplib_response = conn.getresponse()
  File "/usr/lib/python3.6/http/client.py", line 1356, in getresponse
    response.begin()
  File "/usr/lib/python3.6/http/client.py", line 307, in begin
    version, status, reason = self._read_status()
  File "/usr/lib/python3.6/http/client.py", line 268, in _read_status
    line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1")
  File "/usr/lib/python3.6/socket.py", line 586, in readinto
    return self._sock.recv_into(b)
  File "/usr/lib/python3.6/ssl.py", line 1012, in recv_into
    return self.read(nbytes, buffer)
  File "/usr/lib/python3.6/ssl.py", line 874, in read
    return self._sslobj.read(len, buffer)
  File "/usr/lib/python3.6/ssl.py", line 631, in read
    v = self._sslobj.read(len, buffer)
KeyboardInterrupt

Traceback (most recent call last):
  File "vcs.py", line 148, in <module>
    processes=subprocess.check_output('ps -eo pid,etime,cmd|sort -n -k2 | grep /bin/sh', shell=True).split('\n')
NameError: name 'subprocess' is not defined

Traceback (most recent call last):
  File "vcs.py", line 149, in <module>
    processes=subprocess.check_output('ps -eo pid,etime,cmd|sort -n -k2 | grep /bin/sh', shell=True).split('\n')
TypeError: a bytes-like object is required, not 'str'

Traceback (most recent call last):
  File "vcs2.py", line 273, in <module>
    sheet=spread.open_sheet('status',create=True)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 279, in open_sheet
    self.sheet = self.find_sheet(sheet)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 569, in find_sheet
    return self._find_sheet(sheet)[1]
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 545, in _find_sheet
    for ix, worksheet in enumerate(self.sheets):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 166, in sheets
    return self.spread.worksheets()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 295, in worksheets
    sheet_data = self.fetch_sheet_metadata()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 265, in fetch_sheet_metadata
    r = self.client.request('get', url, params=params)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/util.py", line 305, in request
    raise error
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/util.py", line 294, in request
    return ClientV4.request(client, *args, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/client.py", line 73, in request
    raise APIError(response)
gspread.exceptions.APIError: {'code': 503, 'message': 'The service is currently unavailable.', 'status': 'UNAVAILABLE'}

Traceback (most recent call last):
  File "vcs2.py", line 239, in <module>
    cron = CronTab(user='ubuntu')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 228, in __init__
    self.read(tabfile)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 291, in read
    (out, err) = open_pipe(CRONCMD, l='', **self.user_opt).communicate()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 190, in open_pipe
    return sp.Popen(args, stdout=sp.PIPE, stderr=sp.PIPE, env=env)
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "vcs2.py", line 239, in <module>
    cron = CronTab(user='ubuntu')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 228, in __init__
    self.read(tabfile)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 291, in read
    (out, err) = open_pipe(CRONCMD, l='', **self.user_opt).communicate()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 190, in open_pipe
    return sp.Popen(args, stdout=sp.PIPE, stderr=sp.PIPE, env=env)
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "vcs2.py", line 200, in <module>
    processes=subprocess.check_output('ps -eo pid,etime,cmd|sort -n -k2 | grep /bin/sh', shell=True).decode('utf-8').split('\n')
  File "/usr/lib/python3.6/subprocess.py", line 356, in check_output
    **kwargs).stdout
  File "/usr/lib/python3.6/subprocess.py", line 423, in run
    with Popen(*popenargs, **kwargs) as process:
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "vcs2.py", line 200, in <module>
    processes=subprocess.check_output('ps -eo pid,etime,cmd|sort -n -k2 | grep /bin/sh', shell=True).decode('utf-8').split('\n')
  File "/usr/lib/python3.6/subprocess.py", line 356, in check_output
    **kwargs).stdout
  File "/usr/lib/python3.6/subprocess.py", line 423, in run
    with Popen(*popenargs, **kwargs) as process:
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 426, in _make_request
    six.raise_from(e, None)
  File "<string>", line 3, in raise_from
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 421, in _make_request
    httplib_response = conn.getresponse()
  File "/usr/lib/python3.6/http/client.py", line 1356, in getresponse
    response.begin()
  File "/usr/lib/python3.6/http/client.py", line 307, in begin
    version, status, reason = self._read_status()
  File "/usr/lib/python3.6/http/client.py", line 268, in _read_status
    line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1")
  File "/usr/lib/python3.6/socket.py", line 586, in readinto
    return self._sock.recv_into(b)
  File "/usr/lib/python3.6/ssl.py", line 1012, in recv_into
    return self.read(nbytes, buffer)
  File "/usr/lib/python3.6/ssl.py", line 874, in read
    return self._sslobj.read(len, buffer)
  File "/usr/lib/python3.6/ssl.py", line 631, in read
    v = self._sslobj.read(len, buffer)
socket.timeout: The read operation timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/adapters.py", line 449, in send
    timeout=timeout
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 725, in urlopen
    method, url, error=e, _pool=self, _stacktrace=sys.exc_info()[2]
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/util/retry.py", line 403, in increment
    raise six.reraise(type(error), error, _stacktrace)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/packages/six.py", line 735, in reraise
    raise value
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 677, in urlopen
    chunked=chunked,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 428, in _make_request
    self._raise_timeout(err=e, url=url, timeout_value=read_timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 336, in _raise_timeout
    self, url, "Read timed out. (read timeout=%s)" % timeout_value
urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='sheets.googleapis.com', port=443): Read timed out. (read timeout=120)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 275, in <module>
    spread.df_to_sheet(df, index=False,sheet=sheet)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 741, in df_to_sheet
    self.sheet.resize(max(sheet_rows, req_rows), max(sheet_cols, req_cols))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 1272, in resize
    return self.spreadsheet.batch_update(body)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 146, in batch_update
    'post', SPREADSHEET_BATCH_UPDATE_URL % self.id, json=body
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/util.py", line 294, in request
    return ClientV4.request(client, *args, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/client.py", line 67, in request
    headers=headers,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 578, in post
    return self.request('POST', url, data=data, json=json, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/google/auth/transport/requests.py", line 450, in request
    **kwargs
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 530, in request
    resp = self.send(prep, **send_kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 643, in send
    r = adapter.send(request, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/adapters.py", line 529, in send
    raise ReadTimeout(e, request=request)
requests.exceptions.ReadTimeout: HTTPSConnectionPool(host='sheets.googleapis.com', port=443): Read timed out. (read timeout=120)

Traceback (most recent call last):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 426, in _make_request
    six.raise_from(e, None)
  File "<string>", line 3, in raise_from
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 421, in _make_request
    httplib_response = conn.getresponse()
  File "/usr/lib/python3.6/http/client.py", line 1356, in getresponse
    response.begin()
  File "/usr/lib/python3.6/http/client.py", line 307, in begin
    version, status, reason = self._read_status()
  File "/usr/lib/python3.6/http/client.py", line 268, in _read_status
    line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1")
  File "/usr/lib/python3.6/socket.py", line 586, in readinto
    return self._sock.recv_into(b)
  File "/usr/lib/python3.6/ssl.py", line 1012, in recv_into
    return self.read(nbytes, buffer)
  File "/usr/lib/python3.6/ssl.py", line 874, in read
    return self._sslobj.read(len, buffer)
  File "/usr/lib/python3.6/ssl.py", line 631, in read
    v = self._sslobj.read(len, buffer)
socket.timeout: The read operation timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/adapters.py", line 449, in send
    timeout=timeout
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 725, in urlopen
    method, url, error=e, _pool=self, _stacktrace=sys.exc_info()[2]
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/util/retry.py", line 403, in increment
    raise six.reraise(type(error), error, _stacktrace)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/packages/six.py", line 735, in reraise
    raise value
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 677, in urlopen
    chunked=chunked,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 428, in _make_request
    self._raise_timeout(err=e, url=url, timeout_value=read_timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 336, in _raise_timeout
    self, url, "Read timed out. (read timeout=%s)" % timeout_value
urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='sheets.googleapis.com', port=443): Read timed out. (read timeout=120)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 273, in <module>
    sheet=spread.open_sheet('status',create=True)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 279, in open_sheet
    self.sheet = self.find_sheet(sheet)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 569, in find_sheet
    return self._find_sheet(sheet)[1]
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 545, in _find_sheet
    for ix, worksheet in enumerate(self.sheets):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 166, in sheets
    return self.spread.worksheets()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 295, in worksheets
    sheet_data = self.fetch_sheet_metadata()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 265, in fetch_sheet_metadata
    r = self.client.request('get', url, params=params)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/util.py", line 294, in request
    return ClientV4.request(client, *args, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/client.py", line 67, in request
    headers=headers,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 543, in get
    return self.request('GET', url, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/google/auth/transport/requests.py", line 450, in request
    **kwargs
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 530, in request
    resp = self.send(prep, **send_kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 643, in send
    r = adapter.send(request, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/adapters.py", line 529, in send
    raise ReadTimeout(e, request=request)
requests.exceptions.ReadTimeout: HTTPSConnectionPool(host='sheets.googleapis.com', port=443): Read timed out. (read timeout=120)

Traceback (most recent call last):
  File "vcs2.py", line 239, in <module>
    cron = CronTab(user='ubuntu')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 228, in __init__
    self.read(tabfile)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 291, in read
    (out, err) = open_pipe(CRONCMD, l='', **self.user_opt).communicate()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 190, in open_pipe
    return sp.Popen(args, stdout=sp.PIPE, stderr=sp.PIPE, env=env)
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "vcs2.py", line 239, in <module>
    cron = CronTab(user='ubuntu')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 228, in __init__
    self.read(tabfile)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 291, in read
    (out, err) = open_pipe(CRONCMD, l='', **self.user_opt).communicate()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 190, in open_pipe
    return sp.Popen(args, stdout=sp.PIPE, stderr=sp.PIPE, env=env)
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "vcs2.py", line 200, in <module>
    processes=subprocess.check_output('ps -eo pid,etime,cmd|sort -n -k2 | grep /bin/sh', shell=True).decode('utf-8').split('\n')
  File "/usr/lib/python3.6/subprocess.py", line 356, in check_output
    **kwargs).stdout
  File "/usr/lib/python3.6/subprocess.py", line 423, in run
    with Popen(*popenargs, **kwargs) as process:
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "vcs2.py", line 200, in <module>
    processes=subprocess.check_output('ps -eo pid,etime,cmd|sort -n -k2 | grep /bin/sh', shell=True).decode('utf-8').split('\n')
  File "/usr/lib/python3.6/subprocess.py", line 356, in check_output
    **kwargs).stdout
  File "/usr/lib/python3.6/subprocess.py", line 423, in run
    with Popen(*popenargs, **kwargs) as process:
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "vcs2.py", line 275, in <module>
    spread.df_to_sheet(df, index=False,sheet=sheet)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 741, in df_to_sheet
    self.sheet.resize(max(sheet_rows, req_rows), max(sheet_cols, req_cols))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 1272, in resize
    return self.spreadsheet.batch_update(body)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 146, in batch_update
    'post', SPREADSHEET_BATCH_UPDATE_URL % self.id, json=body
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/util.py", line 305, in request
    raise error
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/util.py", line 294, in request
    return ClientV4.request(client, *args, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/client.py", line 73, in request
    raise APIError(response)
gspread.exceptions.APIError: <!DOCTYPE html>
<html lang=en>
  <meta charset=utf-8>
  <meta name=viewport content="initial-scale=1, minimum-scale=1, width=device-width">
  <title>Error 502 (Server Error)!!1</title>
  <style>
    *{margin:0;padding:0}html,code{font:15px/22px arial,sans-serif}html{background:#fff;color:#222;padding:15px}body{margin:7% auto 0;max-width:390px;min-height:180px;padding:30px 0 15px}* > body{background:url(//www.google.com/images/errors/robot.png) 100% 5px no-repeat;padding-right:205px}p{margin:11px 0 22px;overflow:hidden}ins{color:#777;text-decoration:none}a img{border:0}@media screen and (max-width:772px){body{background:none;margin-top:0;max-width:none;padding-right:0}}#logo{background:url(//www.google.com/images/branding/googlelogo/1x/googlelogo_color_150x54dp.png) no-repeat;margin-left:-5px}@media only screen and (min-resolution:192dpi){#logo{background:url(//www.google.com/images/branding/googlelogo/2x/googlelogo_color_150x54dp.png) no-repeat 0% 0%/100% 100%;-moz-border-image:url(//www.google.com/images/branding/googlelogo/2x/googlelogo_color_150x54dp.png) 0}}@media only screen and (-webkit-min-device-pixel-ratio:2){#logo{background:url(//www.google.com/images/branding/googlelogo/2x/googlelogo_color_150x54dp.png) no-repeat;-webkit-background-size:100% 100%}}#logo{display:inline-block;height:54px;width:150px}
  </style>
  <a href=//www.google.com/><span id=logo aria-label=Google></span></a>
  <p><b>502.</b> <ins>That’s an error.</ins>
  <p>The server encountered a temporary error and could not complete your request.<p>Please try again in 30 seconds.  <ins>That’s all we know.</ins>


Traceback (most recent call last):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 426, in _make_request
    six.raise_from(e, None)
  File "<string>", line 3, in raise_from
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 421, in _make_request
    httplib_response = conn.getresponse()
  File "/usr/lib/python3.6/http/client.py", line 1356, in getresponse
    response.begin()
  File "/usr/lib/python3.6/http/client.py", line 307, in begin
    version, status, reason = self._read_status()
  File "/usr/lib/python3.6/http/client.py", line 268, in _read_status
    line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1")
  File "/usr/lib/python3.6/socket.py", line 586, in readinto
    return self._sock.recv_into(b)
  File "/usr/lib/python3.6/ssl.py", line 1012, in recv_into
    return self.read(nbytes, buffer)
  File "/usr/lib/python3.6/ssl.py", line 874, in read
    return self._sslobj.read(len, buffer)
  File "/usr/lib/python3.6/ssl.py", line 631, in read
    v = self._sslobj.read(len, buffer)
socket.timeout: The read operation timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/adapters.py", line 449, in send
    timeout=timeout
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 725, in urlopen
    method, url, error=e, _pool=self, _stacktrace=sys.exc_info()[2]
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/util/retry.py", line 403, in increment
    raise six.reraise(type(error), error, _stacktrace)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/packages/six.py", line 735, in reraise
    raise value
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 677, in urlopen
    chunked=chunked,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 428, in _make_request
    self._raise_timeout(err=e, url=url, timeout_value=read_timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 336, in _raise_timeout
    self, url, "Read timed out. (read timeout=%s)" % timeout_value
urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='sheets.googleapis.com', port=443): Read timed out. (read timeout=120)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 273, in <module>
    sheet=spread.open_sheet('status',create=True)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 279, in open_sheet
    self.sheet = self.find_sheet(sheet)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 569, in find_sheet
    return self._find_sheet(sheet)[1]
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 545, in _find_sheet
    for ix, worksheet in enumerate(self.sheets):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 166, in sheets
    return self.spread.worksheets()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 295, in worksheets
    sheet_data = self.fetch_sheet_metadata()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 265, in fetch_sheet_metadata
    r = self.client.request('get', url, params=params)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/util.py", line 294, in request
    return ClientV4.request(client, *args, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/client.py", line 67, in request
    headers=headers,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 543, in get
    return self.request('GET', url, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/google/auth/transport/requests.py", line 450, in request
    **kwargs
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 530, in request
    resp = self.send(prep, **send_kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 643, in send
    r = adapter.send(request, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/adapters.py", line 529, in send
    raise ReadTimeout(e, request=request)
requests.exceptions.ReadTimeout: HTTPSConnectionPool(host='sheets.googleapis.com', port=443): Read timed out. (read timeout=120)

Traceback (most recent call last):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 426, in _make_request
    six.raise_from(e, None)
  File "<string>", line 3, in raise_from
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 421, in _make_request
    httplib_response = conn.getresponse()
  File "/usr/lib/python3.6/http/client.py", line 1356, in getresponse
    response.begin()
  File "/usr/lib/python3.6/http/client.py", line 307, in begin
    version, status, reason = self._read_status()
  File "/usr/lib/python3.6/http/client.py", line 268, in _read_status
    line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1")
  File "/usr/lib/python3.6/socket.py", line 586, in readinto
    return self._sock.recv_into(b)
  File "/usr/lib/python3.6/ssl.py", line 1012, in recv_into
    return self.read(nbytes, buffer)
  File "/usr/lib/python3.6/ssl.py", line 874, in read
    return self._sslobj.read(len, buffer)
  File "/usr/lib/python3.6/ssl.py", line 631, in read
    v = self._sslobj.read(len, buffer)
socket.timeout: The read operation timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/adapters.py", line 449, in send
    timeout=timeout
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 725, in urlopen
    method, url, error=e, _pool=self, _stacktrace=sys.exc_info()[2]
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/util/retry.py", line 403, in increment
    raise six.reraise(type(error), error, _stacktrace)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/packages/six.py", line 735, in reraise
    raise value
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 677, in urlopen
    chunked=chunked,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 428, in _make_request
    self._raise_timeout(err=e, url=url, timeout_value=read_timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 336, in _raise_timeout
    self, url, "Read timed out. (read timeout=%s)" % timeout_value
urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='sheets.googleapis.com', port=443): Read timed out. (read timeout=120)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 273, in <module>
    sheet=spread.open_sheet('status',create=True)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 279, in open_sheet
    self.sheet = self.find_sheet(sheet)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 569, in find_sheet
    return self._find_sheet(sheet)[1]
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 545, in _find_sheet
    for ix, worksheet in enumerate(self.sheets):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 166, in sheets
    return self.spread.worksheets()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 295, in worksheets
    sheet_data = self.fetch_sheet_metadata()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 265, in fetch_sheet_metadata
    r = self.client.request('get', url, params=params)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/util.py", line 294, in request
    return ClientV4.request(client, *args, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/client.py", line 67, in request
    headers=headers,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 543, in get
    return self.request('GET', url, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/google/auth/transport/requests.py", line 450, in request
    **kwargs
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 530, in request
    resp = self.send(prep, **send_kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 643, in send
    r = adapter.send(request, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/adapters.py", line 529, in send
    raise ReadTimeout(e, request=request)
requests.exceptions.ReadTimeout: HTTPSConnectionPool(host='sheets.googleapis.com', port=443): Read timed out. (read timeout=120)

Traceback (most recent call last):
  File "vcs2.py", line 239, in <module>
    cron = CronTab(user='ubuntu')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 228, in __init__
    self.read(tabfile)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 291, in read
    (out, err) = open_pipe(CRONCMD, l='', **self.user_opt).communicate()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 190, in open_pipe
    return sp.Popen(args, stdout=sp.PIPE, stderr=sp.PIPE, env=env)
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "vcs2.py", line 239, in <module>
    cron = CronTab(user='ubuntu')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 228, in __init__
    self.read(tabfile)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 291, in read
    (out, err) = open_pipe(CRONCMD, l='', **self.user_opt).communicate()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 190, in open_pipe
    return sp.Popen(args, stdout=sp.PIPE, stderr=sp.PIPE, env=env)
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "vcs2.py", line 200, in <module>
    processes=subprocess.check_output('ps -eo pid,etime,cmd|sort -n -k2 | grep /bin/sh', shell=True).decode('utf-8').split('\n')
  File "/usr/lib/python3.6/subprocess.py", line 356, in check_output
    **kwargs).stdout
  File "/usr/lib/python3.6/subprocess.py", line 423, in run
    with Popen(*popenargs, **kwargs) as process:
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "vcs2.py", line 200, in <module>
    processes=subprocess.check_output('ps -eo pid,etime,cmd|sort -n -k2 | grep /bin/sh', shell=True).decode('utf-8').split('\n')
  File "/usr/lib/python3.6/subprocess.py", line 356, in check_output
    **kwargs).stdout
  File "/usr/lib/python3.6/subprocess.py", line 423, in run
    with Popen(*popenargs, **kwargs) as process:
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "vcs2.py", line 239, in <module>
    cron = CronTab(user='ubuntu')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 228, in __init__
    self.read(tabfile)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 291, in read
    (out, err) = open_pipe(CRONCMD, l='', **self.user_opt).communicate()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 190, in open_pipe
    return sp.Popen(args, stdout=sp.PIPE, stderr=sp.PIPE, env=env)
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "vcs2.py", line 239, in <module>
    cron = CronTab(user='ubuntu')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 228, in __init__
    self.read(tabfile)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 291, in read
    (out, err) = open_pipe(CRONCMD, l='', **self.user_opt).communicate()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 190, in open_pipe
    return sp.Popen(args, stdout=sp.PIPE, stderr=sp.PIPE, env=env)
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "vcs2.py", line 200, in <module>
    processes=subprocess.check_output('ps -eo pid,etime,cmd|sort -n -k2 | grep /bin/sh', shell=True).decode('utf-8').split('\n')
  File "/usr/lib/python3.6/subprocess.py", line 356, in check_output
    **kwargs).stdout
  File "/usr/lib/python3.6/subprocess.py", line 423, in run
    with Popen(*popenargs, **kwargs) as process:
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "vcs2.py", line 200, in <module>
    processes=subprocess.check_output('ps -eo pid,etime,cmd|sort -n -k2 | grep /bin/sh', shell=True).decode('utf-8').split('\n')
  File "/usr/lib/python3.6/subprocess.py", line 356, in check_output
    **kwargs).stdout
  File "/usr/lib/python3.6/subprocess.py", line 423, in run
    with Popen(*popenargs, **kwargs) as process:
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 426, in _make_request
    six.raise_from(e, None)
  File "<string>", line 3, in raise_from
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 421, in _make_request
    httplib_response = conn.getresponse()
  File "/usr/lib/python3.6/http/client.py", line 1356, in getresponse
    response.begin()
  File "/usr/lib/python3.6/http/client.py", line 307, in begin
    version, status, reason = self._read_status()
  File "/usr/lib/python3.6/http/client.py", line 268, in _read_status
    line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1")
  File "/usr/lib/python3.6/socket.py", line 586, in readinto
    return self._sock.recv_into(b)
  File "/usr/lib/python3.6/ssl.py", line 1012, in recv_into
    return self.read(nbytes, buffer)
  File "/usr/lib/python3.6/ssl.py", line 874, in read
    return self._sslobj.read(len, buffer)
  File "/usr/lib/python3.6/ssl.py", line 631, in read
    v = self._sslobj.read(len, buffer)
socket.timeout: The read operation timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/adapters.py", line 449, in send
    timeout=timeout
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 727, in urlopen
    method, url, error=e, _pool=self, _stacktrace=sys.exc_info()[2]
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/util/retry.py", line 403, in increment
    raise six.reraise(type(error), error, _stacktrace)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/packages/six.py", line 735, in reraise
    raise value
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 677, in urlopen
    chunked=chunked,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 428, in _make_request
    self._raise_timeout(err=e, url=url, timeout_value=read_timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 336, in _raise_timeout
    self, url, "Read timed out. (read timeout=%s)" % timeout_value
urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='sheets.googleapis.com', port=443): Read timed out. (read timeout=120)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 273, in <module>
    sheet=spread.open_sheet('status',create=True)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 279, in open_sheet
    self.sheet = self.find_sheet(sheet)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 569, in find_sheet
    return self._find_sheet(sheet)[1]
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 545, in _find_sheet
    for ix, worksheet in enumerate(self.sheets):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 166, in sheets
    return self.spread.worksheets()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 295, in worksheets
    sheet_data = self.fetch_sheet_metadata()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 265, in fetch_sheet_metadata
    r = self.client.request('get', url, params=params)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/util.py", line 294, in request
    return ClientV4.request(client, *args, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/client.py", line 67, in request
    headers=headers,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 543, in get
    return self.request('GET', url, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/google/auth/transport/requests.py", line 450, in request
    **kwargs
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 530, in request
    resp = self.send(prep, **send_kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 643, in send
    r = adapter.send(request, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/adapters.py", line 529, in send
    raise ReadTimeout(e, request=request)
requests.exceptions.ReadTimeout: HTTPSConnectionPool(host='sheets.googleapis.com', port=443): Read timed out. (read timeout=120)

Traceback (most recent call last):
  File "vcs2.py", line 239, in <module>
    cron = CronTab(user='ubuntu')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 228, in __init__
    self.read(tabfile)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 291, in read
    (out, err) = open_pipe(CRONCMD, l='', **self.user_opt).communicate()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 190, in open_pipe
    return sp.Popen(args, stdout=sp.PIPE, stderr=sp.PIPE, env=env)
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "vcs2.py", line 239, in <module>
    cron = CronTab(user='ubuntu')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 228, in __init__
    self.read(tabfile)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 291, in read
    (out, err) = open_pipe(CRONCMD, l='', **self.user_opt).communicate()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/crontab.py", line 190, in open_pipe
    return sp.Popen(args, stdout=sp.PIPE, stderr=sp.PIPE, env=env)
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "vcs2.py", line 200, in <module>
    processes=subprocess.check_output('ps -eo pid,etime,cmd|sort -n -k2 | grep /bin/sh', shell=True).decode('utf-8').split('\n')
  File "/usr/lib/python3.6/subprocess.py", line 356, in check_output
    **kwargs).stdout
  File "/usr/lib/python3.6/subprocess.py", line 423, in run
    with Popen(*popenargs, **kwargs) as process:
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "vcs2.py", line 200, in <module>
    processes=subprocess.check_output('ps -eo pid,etime,cmd|sort -n -k2 | grep /bin/sh', shell=True).decode('utf-8').split('\n')
  File "/usr/lib/python3.6/subprocess.py", line 356, in check_output
    **kwargs).stdout
  File "/usr/lib/python3.6/subprocess.py", line 423, in run
    with Popen(*popenargs, **kwargs) as process:
  File "/usr/lib/python3.6/subprocess.py", line 729, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.6/subprocess.py", line 1254, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files

Traceback (most recent call last):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 426, in _make_request
    six.raise_from(e, None)
  File "<string>", line 3, in raise_from
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 421, in _make_request
    httplib_response = conn.getresponse()
  File "/usr/lib/python3.6/http/client.py", line 1356, in getresponse
    response.begin()
  File "/usr/lib/python3.6/http/client.py", line 307, in begin
    version, status, reason = self._read_status()
  File "/usr/lib/python3.6/http/client.py", line 268, in _read_status
    line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1")
  File "/usr/lib/python3.6/socket.py", line 586, in readinto
    return self._sock.recv_into(b)
  File "/usr/lib/python3.6/ssl.py", line 1012, in recv_into
    return self.read(nbytes, buffer)
  File "/usr/lib/python3.6/ssl.py", line 874, in read
    return self._sslobj.read(len, buffer)
  File "/usr/lib/python3.6/ssl.py", line 631, in read
    v = self._sslobj.read(len, buffer)
socket.timeout: The read operation timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/adapters.py", line 449, in send
    timeout=timeout
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 727, in urlopen
    method, url, error=e, _pool=self, _stacktrace=sys.exc_info()[2]
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/util/retry.py", line 403, in increment
    raise six.reraise(type(error), error, _stacktrace)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/packages/six.py", line 735, in reraise
    raise value
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 677, in urlopen
    chunked=chunked,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 428, in _make_request
    self._raise_timeout(err=e, url=url, timeout_value=read_timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/urllib3/connectionpool.py", line 336, in _raise_timeout
    self, url, "Read timed out. (read timeout=%s)" % timeout_value
urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='sheets.googleapis.com', port=443): Read timed out. (read timeout=120)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 273, in <module>
    sheet=spread.open_sheet('status',create=True)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 279, in open_sheet
    self.sheet = self.find_sheet(sheet)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 569, in find_sheet
    return self._find_sheet(sheet)[1]
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 545, in _find_sheet
    for ix, worksheet in enumerate(self.sheets):
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/spread.py", line 166, in sheets
    return self.spread.worksheets()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 295, in worksheets
    sheet_data = self.fetch_sheet_metadata()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/models.py", line 265, in fetch_sheet_metadata
    r = self.client.request('get', url, params=params)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread_pandas/util.py", line 294, in request
    return ClientV4.request(client, *args, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/gspread/client.py", line 67, in request
    headers=headers,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 543, in get
    return self.request('GET', url, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/google/auth/transport/requests.py", line 450, in request
    **kwargs
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 530, in request
    resp = self.send(prep, **send_kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/sessions.py", line 643, in send
    r = adapter.send(request, **kwargs)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/requests/adapters.py", line 529, in send
    raise ReadTimeout(e, request=request)
requests.exceptions.ReadTimeout: HTTPSConnectionPool(host='sheets.googleapis.com', port=443): Read timed out. (read timeout=120)

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
NameError: name 'ssh' is not defined

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
NameError: name 'ssh' is not defined

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 764, in _auth
    raise saved_exception
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 677, in _auth
    key_filename, pkey_class, passphrase
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 586, in _key_from_filepath
    key = klass.from_private_key_file(key_path, password)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/pkey.py", line 235, in from_private_key_file
    key = cls(filename=filename, password=password)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/ed25519key.py", line 63, in __init__
    signing_key = self._parse_signing_key_data(data, password)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/ed25519key.py", line 112, in _parse_signing_key_data
    raise SSHException("Invalid key")
paramiko.ssh_exception.SSHException: Invalid key

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 406, in connect
    t.start_client(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 660, in start_client
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2039, in run
    self._check_banner()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2216, in _check_banner
    "Error reading SSH protocol banner" + str(e)
paramiko.ssh_exception.SSHException: Error reading SSH protocol banner

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 406, in connect
    t.start_client(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 660, in start_client
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2039, in run
    self._check_banner()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2216, in _check_banner
    "Error reading SSH protocol banner" + str(e)
paramiko.ssh_exception.SSHException: Error reading SSH protocol banner

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 406, in connect
    t.start_client(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 660, in start_client
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2039, in run
    self._check_banner()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2216, in _check_banner
    "Error reading SSH protocol banner" + str(e)
paramiko.ssh_exception.SSHException: Error reading SSH protocol banner

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 406, in connect
    t.start_client(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 660, in start_client
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2039, in run
    self._check_banner()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2216, in _check_banner
    "Error reading SSH protocol banner" + str(e)
paramiko.ssh_exception.SSHException: Error reading SSH protocol banner

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 406, in connect
    t.start_client(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 660, in start_client
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2039, in run
    self._check_banner()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2216, in _check_banner
    "Error reading SSH protocol banner" + str(e)
paramiko.ssh_exception.SSHException: Error reading SSH protocol banner

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 406, in connect
    t.start_client(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 660, in start_client
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2039, in run
    self._check_banner()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2216, in _check_banner
    "Error reading SSH protocol banner" + str(e)
paramiko.ssh_exception.SSHException: Error reading SSH protocol banner

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 406, in connect
    t.start_client(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 660, in start_client
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2039, in run
    self._check_banner()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2216, in _check_banner
    "Error reading SSH protocol banner" + str(e)
paramiko.ssh_exception.SSHException: Error reading SSH protocol banner

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 406, in connect
    t.start_client(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 660, in start_client
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2039, in run
    self._check_banner()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2216, in _check_banner
    "Error reading SSH protocol banner" + str(e)
paramiko.ssh_exception.SSHException: Error reading SSH protocol banner

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 446, in connect
    passphrase,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 680, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 236, in wait_for_response
    raise e
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 2109, in run
    handler(self.auth_handler, m)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/auth_handler.py", line 298, in _parse_service_accept
    sig = self.private_key.sign_ssh_data(blob)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/dsskey.py", line 116, in sign_ssh_data
    ).private_key(backend=default_backend())
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 243, in private_key
    return backend.load_dsa_private_numbers(self)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 666, in load_dsa_private_numbers
    dsa._check_dsa_private_numbers(numbers)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 142, in _check_dsa_private_numbers
    _check_dsa_parameters(parameters)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py", line 134, in _check_dsa_parameters
    raise ValueError("q must be exactly 160, 224, or 256 bits long")
ValueError: q must be exactly 160, 224, or 256 bits long

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 879, in open_session
    timeout=timeout,
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/transport.py", line 969, in open_channel
    raise SSHException("SSH session not active")
paramiko.ssh_exception.SSHException: SSH session not active

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 368, in connect
    raise NoValidConnectionsError(errors)
paramiko.ssh_exception.NoValidConnectionsError: [Errno None] Unable to connect to port 22 on 54.93.254.77

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out

Traceback (most recent call last):
  File "vcs2.py", line 69, in <module>
    stdin, stdout, stderr = ssh.exec_command('crontab -l')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 508, in exec_command
    chan = self._transport.open_session(timeout=timeout)
AttributeError: 'NoneType' object has no attribute 'open_session'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "vcs2.py", line 89, in <module>
    ssh.connect('54.93.254.77', username='ubuntu', key_filename='crwler')
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in connect
    retry_on_signal(lambda: sock.connect(addr))
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/util.py", line 283, in retry_on_signal
    return function()
  File "/home/ubuntu/.local/lib/python3.6/site-packages/paramiko/client.py", line 349, in <lambda>
    retry_on_signal(lambda: sock.connect(addr))
TimeoutError: [Errno 110] Connection timed out